Set up OWNERS

Point to kernel/private/msm-google:OWNERS_pixelwatchbsp

Bug: 247160135
Change-Id: I846bcaef2e669b5a4ed127ddf003da81697b5ed9
Signed-off-by: Andrew Evans <andrewevans@google.com>
diff --git a/OWNERS b/OWNERS
new file mode 100644
index 0000000..1f38531
--- /dev/null
+++ b/OWNERS
@@ -0,0 +1,2 @@
+file:kernel/private/msm-google:OWNERS_pixelwatchbsp
+mwr@google.com